AnswerJoan, if you are having hard time sliding the bottom rack back in due to a gasket you'll more than likely need the tub gasket, part number WD08X10032. Try reinstalling the existing gasket back in the channel it installs onto. If its ripped, it'll need to be replaced. It is not recommended to glue the gasket. Thanks.

AnswerDenny,
Unfortunately there is not a video for the bottom door gasket replacement. To change it out you would need to remove the inner door panel and will be able to access the door seal from this point.